Cita APA (7th ed.)

Gorton, K. (1983). Low-cost marketing research: A guide for small businesses. Wiley.

Cita Chicago (17th ed.)

Gorton, Keith. Low-cost Marketing Research: A Guide for Small Businesses. Chichester: Wiley, 1983.

Cita MLA (9th ed.)

Gorton, Keith. Low-cost Marketing Research: A Guide for Small Businesses. Wiley, 1983.